A Java Form class extended from JFrame with few buttons. These buttons show message dialog box when some actions are performed on them.
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/******************************************************* * MYCPLUS Sample Code - https://www.mycplus.com * * * * This code is made available as a service to our * * visitors and is provided strictly for the * * purpose of illustration. * * * * Please direct all inquiries to saqib at mycplus.com * *******************************************************/ import java.awt.*; import java.awt.event.*; import javax.swing.*; public class form extends JFrame { private JPanel bottom,top,centre; private JButton b1,b2,OK; private JLabel n,e,m; private Color color=Color.black; private String s1,s2,s3,s4="",s5; TextField screen=new TextField(20); TextField scr=new TextField(20); TextArea a=new TextArea(6,20); public form() { super("form"); Container c=new Container(); c=getContentPane(); bottom=new JPanel(); bottom.setBorder(BorderFactory.createEtchedBorder(Color.cyan,Color.blue)); JButton b1=new JButton("OK"); JButton b2=new JButton("Cancel"); bottom.add(b1); bottom.add(b2); c.add(bottom,BorderLayout.SOUTH); top=new JPanel(); n=new JLabel("NAME "); e=new JLabel("EMAIL "); m=new JLabel("MESS"); top.setLayout(new FlowLayout(FlowLayout.LEFT,200,50)); top.add(n); top.add(scr); top.add(e); top.add(screen); top.add(m); top.add(a); c.add(top,BorderLayout.CENTER); top.setBorder(BorderFactory.createEtchedBorder(Color.blue,Color.green)); centre= new JPanel(); c.add(centre,BorderLayout.NORTH); centre.setBorder(BorderFactory.createEtchedBorder(Color.magenta,Color.pink)); Button b3=new Button("CHANGE COL"); centre.add(b3); b3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Container c=getContentPane(); color=JColorChooser.showDialog(form.this,"Choose a color",color); if (color==null) color=Color.black; centre.setBackground(color); centre.repaint(); //top.setBackground(color); //top.repaint(); //bottom.setBackground(color); //bottom.repaint(); } }); b1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { s1=scr.getText(); JOptionPane.showMessageDialog(null,"The name is"+" "+s1); s2=screen.getText(); JOptionPane.showMessageDialog(null,"His E_Mail Addres is"+" "+s2); s3=a.getText(); JOptionPane.showMessageDialog(null,"Message is"+s3); s5=color.toString(); s4+=s1+" "+" "+s2; JOptionPane.showMessageDialog(null,""+s4); JOptionPane.showMessageDialog(null,""+s5); } }); b2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { dispose(); System.exit(0); } }); setSize(800,500); show(); } public static void main(String args[]) { form app=new form(); app.addWindowListener( new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } } ); } } |